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Keuffel and Esser 4090 Universal Slide Rule
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Description
Keuffel & Esser (K&E) 4090 universal slide rule, PN 19-19-19-19-19-19. Marked "Keuffel & Esser Co. N.Y., Pat. Oct. 6, 1891". Comprised of two-sided white celluloid coated mahogany, black metal framed chisel cursor with 8 points on one side and 10 points on the other, and metal end pieces. 2 piece black cardboard case with "Keuffel & Esser Co. Slide Rule" stamped in gilt. Slide rule - 11 1/8" L. Case - 11 5/8" H x 2 1/8" W x 3/4". Provenance: Private West Tennessee Collection.
Condition
Overall good condition. Minor scuffs, wear commensurate with age and use. Wear to cardboard case.
Buyer's Premium
- 28%
Keuffel and Esser 4090 Universal Slide Rule
Estimate $400 - $500
9 bidders are watching this item.
Shipping & Pickup Options
Item located in Knoxville, TN, usSee Policy for Shipping
Local Pickup Available
Payment
Accepts seamless payments through LiveAuctioneers
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